Material: Aluminum oxide / tungsten steel

Dimensions: see below design

Features: EDC tool category a good tool for emergency response， simple operation， easy to carry. Before you can be compared to the market sharpener， do a better angle adjustment， not to hurt the blade. Wear a couple of buttons to repair damaged cutting tools.

Adopt HR 89 special tungsten steel hardness:

 

工程结构/尺寸图；

 

实物图；